<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        function cc(){
            alert("你好")
        }
    </script>
</head>
<body>
<h1>新浪首页</h1>
<button onclick="cc();"></button>
</body>
</html>